Home / 579,104.80-867,620.40-473,351.20

Finding the Fourth Proportional to 579,104.80, 867,620.40 and 473,351.20

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Solution

The fourth proportional to 579,104.80, 867,620.40 and 473,351.20 is: 709,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,104.80 : 867,620.40 = 473,351.20 : x
  2. Step 2: Convert to fraction form
    579,104.80/867,620.40 = 473,351.20/x
  3. Step 3: Cross multiply
    579,104.80x = 867,620.40 × 473,351.20
  4. Step 4: Simplify right side
    579,104.80x = 410,689,157,484.48
  5. Step 5: Solve for x
    x = 410,689,157,484.48/579,104.80
  6. Step 6: Final answer
    x = 709,179.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.